potential contamination of drinking water with toxoplasma gondii oocysts. | the world's first documented toxoplasmosis outbreak associated with a municipal water supply was recognized in 1995 in victoria, british columbia, canada. it was hypothesized that domestic cat (felis catus) or cougar (felis concolor) faeces contaminated a surface water reservoir with toxoplasma gondii oocysts. an extensive investigation of the victoria watershed 1 year following the outbreak documented the presence of an endemic t. gondii cycle involving the animals inhabiting the area. cats and ... | 1999 | 10355797 |
toxoplasma gondii in vancouver island cougars (felis concolor vancouverensis): serology and oocyst shedding. | one of 12 necropsied cougars (felis concolor vancouverensis) from vancouver island, british columbia, canada, shed toxoplasma gondii oocysts confirmed by mouse bioassay. eleven of the 12 cougars (92%) had antibodies to t. gondii by the modified agglutination test with titers of <1:25 (1 cougar), 1:50 (8 cougars), and 1:500 (3 cougars). one additional cougar fecal sample collected from the victoria watershed environment also contained t. gondii oocysts. in 1995, the largest reported outbreak of h ... | 1998 | 9576522 |
does sex matter? temporal and spatial patterns of cougar-human conflict in british columbia. | wildlife-human conflicts occur wherever large carnivores overlap human inhabited areas. conflict mitigation can be facilitated by understanding long-term dynamics and examining sex-structured conflict patterns. predicting areas with high probability of conflict helps focus management strategies in order to proactively decrease carnivore mortality. we investigated the importance of cougar (puma concolor) habitat, human landscape characteristics and the combination of habitat and human features on ... | 2013 | 24040312 |